efflux

/ˈɛfˌflʌks/
noun
  1. A flowing out or passing away of something, such as liquid, gas, or time.
    • The efflux of water from the pipe slowed as the valve closed.
    • With the efflux of time, the old building began to crumble.
    • Scientists measured the efflux of gas from the volcanic vent.
Antonyms
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